This 26-page NSA document, originally presented at 2012’s Five Eyes SIGDEV conference, gives a detailed overview of the agency’s information gathering on world mobile phone networks. Some intercepted technical and contact details have been redacted: see the Intercept article Operation Auroragold: How the NSA Hacks Cellphone Networks Worldwide, 4 December 2014.

﻿SECRET//SI//REL TO FVEY
(U//FOUO) AURORAGOLD
Working Group
(S//SI//REL) Shaping understanding of
the global GSm/uMTS/LTE landscape
SIGDEV Conference - 6 June 2012
This briefing is cl...